jQWidgets jqxDataTable ensureRowVisible()用法及代码示例

jQWidgets 是一个 JavaScript 框架，用于为 PC 和移动设备制作基于 Web 的应用程序。它是一个非常强大、优化、独立于平台且得到广泛支持的框架。 jqxDataTable 用于读取和显示 HTML 表中的数据。它还用于显示来自各种数据源(例如 XML、JSON、Array、CSV 或 TSV)的数据。

ensureRowVisible()方法用于将垂直滚动条滚动到指定的行索引。

用法:

$("#dataTable").jqxDataTable('ensureRowVisible', rowIndex);

Parameters: 此方法接受如下所示的参数：

rowIndex:这是滚动将完成的指定行索引。

链接文件：下载jQWidgets从给定的链接。在 HTML 文件中，找到下载文件夹中的脚本文件。

<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistbox.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdropdownlist.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdatatable.js”></script>

例子：下面的例子说明了 jQWidgetsensureRowVisible()方法。

HTML


<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <link rel="stylesheet" href= 
"jqwidgets/styles/jqx.base.css" type="text/css" /> 
    <script type="text/javascript" 
            src="scripts/jquery.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxcore.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxdata.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxbuttons.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxscrollbar.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxlistbox.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxdropdownlist.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxdatatable.js"> 
    </script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color: green;"> 
            GeeksforGeeks 
        </h1> 
        <h3> 
            jQWidgets jqxDataTable ensureRowVisible() Method 
        </h3> 
        <div id="Data_Table"></div> 
        <input type="button" style="margin: 31px;" 
               id="jqxbutton_for_ensureRowVisible"
               value="Invoke the ensureRowVisible() Method" /> 
        <div id="log"></div> 
    </center> 
    <script> 
        $(document).ready(function () { 
            var Data = new Array(); 
            var Employee_Name = [ 
                "Ravi", "Sumit", "Amit", 
                "Vivek", "Sumit"]; 
            var Company = [ 
                "GeeksforGeeks", "Amazon", 
                "Google", "Apple", 
                "Capgemini"]; 
            var Designation = [ 
                "Content Writer", "Software Engineer", 
                "Data Analyst", "HR", "Founder"]; 
  
            a = 0; 
            while (a < 5) { 
                var row = {}; 
                row["Employee_Name"] = Employee_Name[a]; 
                row["Company"] = Company[a]; 
                row["Designation"] = Designation[a] 
                Data[a] = row; 
                a++; 
            } 
  
            var Data_Source = { 
                localData: Data, 
                dataType: "array", 
                dataFields: [{ 
                    name: 'Employee_Name', 
                    type: 'string' 
                }, { 
                    name: 'Company', 
                    type: 'string' 
                }, { 
                    name: 'Designation', 
                    type: 'string' 
                }] 
            }; 
            var data_Adapter = 
                new $.jqx.dataAdapter(Data_Source); 
            $("#Data_Table").jqxDataTable({ 
                width: 560, 
                height: 150, 
                theme: 'energyblue', 
                source: data_Adapter, 
                columns: [{ 
                    text: 'Employee_Name', 
                    dataField: 'Employee_Name', 
                    width: 210 
                }, { 
                    text: 'Company', 
                    dataField: 'Company', 
                    width: 150 
                }, { 
                    text: 'Designation', 
                    dataField: 'Designation', 
                    width: 200 
                }] 
            }); 
            $("#jqxbutton_for_ensureRowVisible"). 
                jqxButton({ 
                    theme: 'energyblue', 
                    width: 300 
                }); 
            $('#jqxbutton_for_ensureRowVisible'). 
                click(function () { 
                    $("#Data_Table"). 
                        jqxDataTable('ensureRowVisible', 
                                     4); 
                }); 
        }); 
    </script> 
</body> 
  
</html>

输出：

参考： https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxdatatable/jquery-datatable-api.htm?search=

相关用法

注：本文由纯净天空筛选整理自Kanchan_Ray大神的英文原创作品 jQWidgets jqxDataTable ensureRowVisible() Method。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。